Acknowledgment. Financial support of this work by the National Science Foundation (CHE-800059) is grate- fully acknowledged. Registry No. (S,S)-l, 82468-65-3; (S,S)-2, 80656-07-1; (S)-Na- pEt.HC104, 82431-48-9; (R)-NapEt.HC104, 82456-17-5; (S)- AlaOMwHCl, 2491-20-5; (R)-AlaOMwHCl, 14316-06-4. ... Jerald S. Bradshaw,* Brian A. Jones Richard B. Davidson, James J. Christensen John D. Lamb, Reed M. Izatt* Departments of ...